/Engine/Source/Runtime/AudioMixer/Public/AudioMixerDevice.h
virtual void GetPhasesForFrequencies ( [USoundSubmix](API\Runtime\Engine\Sound\USoundSubmix) * InSubmix, const [TArray](API\Runtime\Core\Containers\TArray)< float > & InFrequencies, [TArray](API\Runtime\Core\Containers\TArray)< float > & OutPhases )